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अर्कज
Subject: Maths
, asked on 4/5/18
Q.10. The Cartesian product A
×
A has 9 elements among which are found (- 1, 0) and (0, 1). Find the set A and the remaining elements of A
×
A.
Answer
1
अर्कज
Subject: Maths
, asked on 3/5/18
No links
Question No. 1
Two finite sets A and B have
λ
a
n
d
μ
elements respectively. The number of elements in the power set of the A is 224 more than the total number of elements in the power set of B. What is the number of relations from A to B?
A.
2
10
B.
2
20
C.
2
30
D.
2
40
Answer
0
अर्कज
Subject: Maths
, asked on 3/5/18
Solve this:
Question No. 10 Use the following information to answer the next question.
A relation R on the set P = {5, 6, 7, 8, 9) is defined as R = {(x, y): the sum of x and y is a multiple of
4; x, y
∈
P}.
How can this relation be represented diagrammatically
Answer
0
अर्कज
Subject: Maths
, asked on 3/5/18
Solve this:
Question No. 8
If A = {x: x is a real number} and B = {0}, then the set (B
×
A) is
A. the set containing the origin in two dimensional space
B. the set of all points lying on the x-axis in two-dimensional space
C. the set of all points lying on the y-axis in two-dimensional space
D. the set of all points on a coordinate plane in two-dimensional space
Answer
0
अर्कज
Subject: Maths
, asked on 3/5/18
L
e
t
P
=
{
-
3
,
-
2
,
-
1
,
0
,
1
,
2
,
3
}
Q
=
1
,
4
3
,
12
7
,
2
,
12
5
,
3
,
4
,
5
,
6
A
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o
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R
f
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o
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i
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f
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e
d
a
s
R
=
(
x
,
y
)
:
y
=
12
x
+
3
,
x
∈
P
,
y
∈
Q
W
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?
Answer
1
अर्कज
Subject: Maths
, asked on 3/5/18
Solve this:
Q
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t
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n
N
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.
5
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A
∩
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)
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=
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,
(
A
∩
C
'
)
∪
C
=
A
a
n
d
A
∩
B
=
A
∩
C
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e
?
A
.
A
=
B
B
.
B
=
C
C
.
C
=
A
D
.
N
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e
Answer
0
अर्कज
Subject: Maths
, asked on 3/5/18
Solve this:
Q. Use the following information to answer the next question.
A relation R from A to B is defined as
R = {(x, y) : (x - y) is a positive integer; x
∈
A, y
∈
B}, where A = {0, 1, 2, 7, 9, 13} and B = {3, 1, 2, 8}
The domain and range of the relation R are respectively
A. {9, 13} and {0}
B. {9, 13} and {1, 2, 3}
C. {0, 1, 2, 7} and {1, 2, 3, 8}
D. {2, 7, 9, 13} and {1, 2, 3, 8}
Answer
0
अर्कज
Subject: Maths
, asked on 3/5/18
Solve this:
Question No. 1
Two finite sets A and B have
λ
a
n
d
μ
elements respectively. The number of elements in the power set of the A is 224 more than the total number of elements in the power set of B. What is the number of relations from A to B?
A.
2
10
B.
2
20
C.
2
30
D.
2
40
Answer
1
Megha
Subject: Maths
, asked on 2/5/18
Solve this:
Q. If A = { - 1, 1}, find
A
×
A
×
A
.
Answer
1
अर्कज ..
Subject: Maths
, asked on 2/5/18
Example 6
Q6. Example 6
. If A × B = {(p, q), (p, r), (m, q), (m, r) , find A and B.
Solution
A = set of first elements = { p, m}
B = set of second elements = {q, r).
Answer
1
अर्कज ..
Subject: Maths
, asked on 2/5/18
Example 4:
Example 4 If P={1,2}, form the set P x P x P.
Solution : we have, P x P x P=[(1,1,1), (1,1,2), (1,2,1), (1,2,2), (2,1,1), (2,1,2), (2,2,1), (2,2,2)}.
Answer
1
अर्कज ..
Subject: Maths
, asked on 2/5/18
Example 3) Let A={1,2,3}, B={3,4} and C={4,5,6}. Find
(
i
)
A
×
B
∩
C
(
i
i
)
A
×
B
∩
A
×
C
(
i
i
i
)
A
×
B
∪
C
(
i
v
)
A
×
B
∪
A
×
C
Answer
1
अर्कज ..
Subject: Maths
, asked on 2/5/18
Example 2) If P={a,b,c} and Q={r,} form the sets
P
×
Q
a
n
d
Q
×
P
. Are these two products equal?
Answer
1
Ms Eccentric
Subject: Maths
, asked on 2/5/18
Please explain this question in detail.
Q. Find the angle between the vectors given in the following figures.
(i)
(ii)
(iii)
(iv)
Answer
2
अर्कज ..
Subject: Maths
, asked on 1/5/18
Example 1-If (x + l, y - 2) = (3, l), find the values Of x and y.
Answer
1
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What are you looking for?
Question No. 1
Two finite sets A and B have elements respectively. The number of elements in the power set of the A is 224 more than the total number of elements in the power set of B. What is the number of relations from A to B?
A.
B.
C.
D.
Question No. 10 Use the following information to answer the next question.
A relation R on the set P = {5, 6, 7, 8, 9) is defined as R = {(x, y): the sum of x and y is a multiple of
4; x, y P}.
How can this relation be represented diagrammatically
Question No. 8
If A = {x: x is a real number} and B = {0}, then the set (B A) is
A. the set containing the origin in two dimensional space
B. the set of all points lying on the x-axis in two-dimensional space
C. the set of all points lying on the y-axis in two-dimensional space
D. the set of all points on a coordinate plane in two-dimensional space
Q. Use the following information to answer the next question.
A relation R from A to B is defined as
R = {(x, y) : (x - y) is a positive integer; x A, y B}, where A = {0, 1, 2, 7, 9, 13} and B = {3, 1, 2, 8}
The domain and range of the relation R are respectively
A. {9, 13} and {0}
B. {9, 13} and {1, 2, 3}
C. {0, 1, 2, 7} and {1, 2, 3, 8}
D. {2, 7, 9, 13} and {1, 2, 3, 8}
Question No. 1
Two finite sets A and B have elements respectively. The number of elements in the power set of the A is 224 more than the total number of elements in the power set of B. What is the number of relations from A to B?
A.
B.
C.
D.
Q. If A = { - 1, 1}, find .
Q6. Example 6. If A × B = {(p, q), (p, r), (m, q), (m, r) , find A and B.
Solution A = set of first elements = { p, m}
B = set of second elements = {q, r).
Example 4 If P={1,2}, form the set P x P x P.
Solution : we have, P x P x P=[(1,1,1), (1,1,2), (1,2,1), (1,2,2), (2,1,1), (2,1,2), (2,2,1), (2,2,2)}.
Q. Find the angle between the vectors given in the following figures.
(i)
(ii)
(iii)
(iv)